| 摘要 |
A correction jig is used when installing a resin combustion gas seal in an annular installation groove of a nozzle portion of an injector. The installation groove has an increased diameter portion in a section closer to a body of the injector. When the nozzle portion is caused to pass through the combustion gas seal from a distal end of the nozzle portion to arrange the combustion gas seal at the installation groove, the correction jig receives the combustion gas seal so that the combustion gas seal is prevented from interfering with the increased diameter portion. Thereafter, the correction jig is moved relative to the injector to correct an outer diameter of the combustion gas seal. As a result, the combustion gas seal is optimally installed in the installation groove.
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